These paintings are on the rear of a residential block on an island in the middle of the Odra.
There are several of these huge paintings on the side of blocks in the city. I'm not sure of the story behind them, who painted them and what the significance of the images are.
In this one, the figure on the left is swallowing a key while wearing a dress made of locks.
On the right, the bound crow/monkey/man has the words 'what better place than this' and 'what better time than now' written (in English)...

EDIT - I've discovered that these works are by an Italian artist called BLU - read about him here: en.wikipedia.org/wiki/Blu_(artist)